Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r056-smll-177946903000308.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CloudDeployment-PT-5b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946903000308
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 6.2K Mar 6 11:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 11:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 11:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 11:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 11:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 6 11:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 11:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K Mar 6 11:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.5M Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779478571066

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-5b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-22 19:36:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 19:36:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:36:14] [INFO ] Load time of PNML (sax parser for PT used): 557 ms
[2026-05-22 19:36:14] [INFO ] Transformed 1525 places.
[2026-05-22 19:36:14] [INFO ] Transformed 3132 transitions.
[2026-05-22 19:36:14] [INFO ] Found NUPN structural information;
[2026-05-22 19:36:14] [INFO ] Parsed PT model containing 1525 places and 3132 transitions and 24760 arcs in 839 ms.
Graph (trivial) has 1546 edges and 1525 vertex of which 420 / 1525 are part of one of the 40 SCC in 19 ms
Free SCC test removed 380 places
Structural test allowed to assert that 535 places are NOT stable. Took 81 ms.
Ensure Unique test removed 425 transitions
Reduce redundant transitions removed 425 transitions.
RANDOM walk for 40000 steps (305 resets) in 6429 ms. (6 steps per ms) remains 491/990 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 14 ms. (26 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 50 ms. (7 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 23 ms. (16 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 26 ms. (14 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 21 ms. (18 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 23 ms. (16 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 74 ms. (5 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 20 ms. (19 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 19 ms. (20 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 23 ms. (16 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 16 ms. (23 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 16 ms. (23 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 16 ms. (23 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 491/491 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 491/491 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 491/491 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 491/491 properties
[2026-05-22 19:36:17] [INFO ] Flatten gal took : 2122 ms
[2026-05-22 19:36:17] [INFO ] Flow matrix only has 2668 transitions (discarded 39 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7981048536832241110.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10789522583487742337.kers'
[2026-05-22 19:36:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7981048536832241110.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10789522583487742337.kers]
Normalized transition count is 2667 out of 2668 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 4 ms.
// Phase 1: matrix 2667 rows 1144 cols 22805 entries
Finished phase 1 with 1121 SingleSign rule and 3 generalized
[2026-05-22 19:36:17] [INFO ] Computed 21 invariants in 27 ms
Computed 21 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-10789522583487742337.kers
Total runtime 35 ms.
[2026-05-22 19:36:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 19:36:17] [INFO ] Flatten gal took : 435 ms
[2026-05-22 19:36:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7380170782990013289.gal : 248 ms
[2026-05-22 19:36:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4041806318951831339.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7380170782990013289.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4041806318951831339.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality4041806318951831339.prop.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/491 variables, 491/491 constraints. Problems are: Problem set: 0 solved, 491 unsolved
SMT process timed out in 6037ms, After SMT, problems are : Problem set: 0 solved, 491 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 491 out of 1145 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1145/1145 places, 2707/2707 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 315 transitions
Trivial Post-agglo rules discarded 315 transitions
Performed 315 trivial Post agglomeration. Transition count delta: 315
Iterating post reduction 0 with 355 rules applied. Total rules applied 355 place count 1145 transition count 2352
Reduce places removed 315 places and 0 transitions.
Iterating post reduction 1 with 315 rules applied. Total rules applied 670 place count 830 transition count 2352
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 670 place count 830 transition count 2345
Deduced a syphon composed of 7 places in 4 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 684 place count 823 transition count 2345
Discarding 133 places :
Symmetric choice reduction at 2 with 133 rule applications. Total rules 817 place count 690 transition count 2212
Iterating global reduction 2 with 133 rules applied. Total rules applied 950 place count 690 transition count 2212
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 970 place count 690 transition count 2192
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 46
Deduced a syphon composed of 46 places in 12 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 3 with 92 rules applied. Total rules applied 1062 place count 644 transition count 2146
Performed 30 Post agglomeration using F-continuation condition with reduction of 80 identical transitions.
Deduced a syphon composed of 30 places in 4 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 1122 place count 614 transition count 2211
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 3 with 20 rules applied. Total rules applied 1142 place count 614 transition count 2191
Free-agglomeration rule applied 57 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 57 rules applied. Total rules applied 1199 place count 614 transition count 2114
Reduce places removed 57 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 81 transitions
Reduce isomorphic transitions removed 81 transitions.
Iterating post reduction 3 with 138 rules applied. Total rules applied 1337 place count 557 transition count 2033
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 4 with 11 rules applied. Total rules applied 1348 place count 557 transition count 2022
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1349 place count 557 transition count 2022
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1350 place count 556 transition count 2021
Applied a total of 1350 rules in 891 ms. Remains 556 /1145 variables (removed 589) and now considering 2021/2707 (removed 686) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 909 ms. Remains : 556/1145 places, 2021/2707 transitions.
SDD proceeding with computation,491 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,491 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,491 properties remain. new max is 16
SDD size :8 after 10
SDD proceeding with computation,491 properties remain. new max is 32
SDD size :10 after 18
SDD proceeding with computation,491 properties remain. new max is 64
SDD size :18 after 31
SDD proceeding with computation,491 properties remain. new max is 128
SDD size :31 after 105
SDD proceeding with computation,491 properties remain. new max is 256
SDD size :105 after 637
SDD proceeding with computation,491 properties remain. new max is 512
SDD size :637 after 2411
RANDOM walk for 4000000 steps (44876 resets) in 81522 ms. (49 steps per ms) remains 26/491 properties
BEST_FIRST walk for 400003 steps (553 resets) in 898 ms. (444 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (545 resets) in 928 ms. (430 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (561 resets) in 1150 ms. (347 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (548 resets) in 1002 ms. (398 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (546 resets) in 978 ms. (408 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (550 resets) in 970 ms. (411 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (554 resets) in 911 ms. (438 steps per ms) remains 26/26 properties
SDD proceeding with computation,491 properties remain. new max is 1024
SDD size :2411 after 261586
BEST_FIRST walk for 400004 steps (540 resets) in 1087 ms. (367 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (550 resets) in 1054 ms. (379 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (560 resets) in 1216 ms. (328 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (549 resets) in 960 ms. (416 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (552 resets) in 1089 ms. (366 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (539 resets) in 848 ms. (471 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (546 resets) in 1072 ms. (372 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (559 resets) in 927 ms. (431 steps per ms) remains 24/26 properties
BEST_FIRST walk for 400004 steps (544 resets) in 1639 ms. (243 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (537 resets) in 913 ms. (437 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (555 resets) in 1083 ms. (369 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (553 resets) in 1213 ms. (329 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (540 resets) in 1003 ms. (398 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (549 resets) in 952 ms. (419 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (555 resets) in 1038 ms. (384 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (553 resets) in 932 ms. (428 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (559 resets) in 1035 ms. (386 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (550 resets) in 988 ms. (404 steps per ms) remains 24/24 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8410045617954200275.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5437713857020213469.kers'
[2026-05-22 19:36:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8410045617954200275.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5437713857020213469.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 4 ms.
// Phase 1: matrix 2021 rows 555 cols 21158 entries
Finished phase 1 with 532 SingleSign rule and 3 generalized
[2026-05-22 19:36:54] [INFO ] Computed 21 invariants in 20 ms
Computed 21 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-5437713857020213469.kers
Total runtime 25 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 521/545 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/545 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (OVERLAPS) 11/556 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/556 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (OVERLAPS) 2021/2577 variables, 556/577 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2577 variables, 0/577 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 0/2577 variables, 0/577 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2577/2577 variables, and 577 constraints, problems are : Problem set: 0 solved, 24 unsolved in 3759 ms.
Refiners :[Generalized P Invariants (flows): 21/21 constraints, State Equation: 556/556 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
SDD proceeding with computation,491 properties remain. new max is 2048
SDD size :261586 after 539646
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 521/545 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/545 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (OVERLAPS) 11/556 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 24 unsolved
SDD proceeding with computation,491 properties remain. new max is 4096
SDD size :539646 after 572286
At refinement iteration 5 (INCLUDED_ONLY) 0/556 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (OVERLAPS) 2021/2577 variables, 556/577 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2577 variables, 24/601 constraints. Problems are: Problem set: 0 solved, 24 unsolved
SDD proceeding with computation,491 properties remain. new max is 8192
SDD size :572286 after 592566
At refinement iteration 8 (INCLUDED_ONLY) 0/2577 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (OVERLAPS) 0/2577 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 24 unsolved
SDD proceeding with computation,491 properties remain. new max is 16384
SDD size :592566 after 1.14305e+06
No progress, stopping.
After SMT solving in domain Int declared 2577/2577 variables, and 601 constraints, problems are : Problem set: 0 solved, 24 unsolved in 18868 ms.
Refiners :[Generalized P Invariants (flows): 21/21 constraints, State Equation: 556/556 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22791ms problems are : Problem set: 0 solved, 24 unsolved
Fused 24 Parikh solutions to 9 different solutions.
Parikh walk visited 2 properties in 363 ms.
Support contains 22 out of 556 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 556/556 places, 2021/2021 transitions.
Graph (complete) has 2208 edges and 556 vertex of which 546 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.4 ms
Discarding 10 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 219 transitions
Trivial Post-agglo rules discarded 219 transitions
Performed 219 trivial Post agglomeration. Transition count delta: 219
Iterating post reduction 0 with 224 rules applied. Total rules applied 225 place count 546 transition count 1792
Reduce places removed 219 places and 0 transitions.
Iterating post reduction 1 with 219 rules applied. Total rules applied 444 place count 327 transition count 1792
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 24 Pre rules applied. Total rules applied 444 place count 327 transition count 1768
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 492 place count 303 transition count 1768
Discarding 80 places :
Symmetric choice reduction at 2 with 80 rule applications. Total rules 572 place count 223 transition count 1669
Iterating global reduction 2 with 80 rules applied. Total rules applied 652 place count 223 transition count 1669
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 2 with 25 rules applied. Total rules applied 677 place count 223 transition count 1644
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 677 place count 223 transition count 1639
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 687 place count 218 transition count 1639
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 690 place count 215 transition count 1636
Iterating global reduction 3 with 3 rules applied. Total rules applied 693 place count 215 transition count 1636
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 695 place count 213 transition count 1634
Iterating global reduction 3 with 2 rules applied. Total rules applied 697 place count 213 transition count 1634
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 698 place count 212 transition count 1633
Iterating global reduction 3 with 1 rules applied. Total rules applied 699 place count 212 transition count 1633
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 795 place count 164 transition count 1585
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 803 place count 164 transition count 1577
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -169
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 4 with 40 rules applied. Total rules applied 843 place count 144 transition count 1746
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 4 with 19 rules applied. Total rules applied 862 place count 144 transition count 1727
Drop transitions (Redundant composition of simpler transitions.) removed 227 transitions
Redundant transition composition rules discarded 227 transitions
Iterating global reduction 5 with 227 rules applied. Total rules applied 1089 place count 144 transition count 1500
Free-agglomeration rule applied 7 times.
Iterating global reduction 5 with 7 rules applied. Total rules applied 1096 place count 144 transition count 1493
Reduce places removed 7 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 5 with 37 rules applied. Total rules applied 1133 place count 137 transition count 1463
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 1138 place count 132 transition count 1433
Iterating global reduction 6 with 5 rules applied. Total rules applied 1143 place count 132 transition count 1433
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 1144 place count 132 transition count 1432
Applied a total of 1144 rules in 443 ms. Remains 132 /556 variables (removed 424) and now considering 1432/2021 (removed 589) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 444 ms. Remains : 132/556 places, 1432/2021 transitions.
SDD proceeding with computation,491 properties remain. new max is 32768
SDD size :1.14305e+06 after 1.33326e+06
RANDOM walk for 4000000 steps (93461 resets) in 50414 ms. (79 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (1251 resets) in 1037 ms. (385 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (1253 resets) in 825 ms. (484 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (1268 resets) in 936 ms. (426 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (1265 resets) in 870 ms. (459 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400001 steps (1268 resets) in 1005 ms. (397 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (1261 resets) in 907 ms. (440 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1254 resets) in 984 ms. (406 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1265 resets) in 901 ms. (443 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (1256 resets) in 929 ms. (430 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1261 resets) in 768 ms. (520 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1262 resets) in 895 ms. (446 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1255 resets) in 864 ms. (462 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1270 resets) in 1000 ms. (399 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (1264 resets) in 868 ms. (460 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1260 resets) in 832 ms. (480 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (1254 resets) in 1049 ms. (380 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1261 resets) in 988 ms. (404 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1257 resets) in 996 ms. (401 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1269 resets) in 913 ms. (437 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1268 resets) in 788 ms. (506 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (1244 resets) in 940 ms. (425 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (1267 resets) in 990 ms. (403 steps per ms) remains 22/22 properties
SDD proceeding with computation,491 properties remain. new max is 65536
SDD size :1.33326e+06 after 1.89766e+06
SDD proceeding with computation,491 properties remain. new max is 131072
SDD size :1.89766e+06 after 3.44169e+06
Interrupted probabilistic random walk after 6643428 steps, run timeout after 57001 ms. (steps per millisecond=116 ) properties seen :0 out of 22
Probabilistic random walk after 6643428 steps, saw 797150 distinct states, run finished after 57015 ms. (steps per millisecond=116 ) properties seen :0
[2026-05-22 19:38:34] [INFO ] Flow matrix only has 1237 transitions (discarded 195 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4405292482942773034.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3330718122282869695.kers'
[2026-05-22 19:38:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4405292482942773034.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3330718122282869695.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 3 ms.
// Phase 1: matrix 1237 rows 131 cols 17086 entries
Finished phase 1 with 108 SingleSign rule and 3 generalized
[2026-05-22 19:38:34] [INFO ] Computed 21 invariants in 13 ms
Computed 21 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-3330718122282869695.kers
Total runtime 18 ms.
[2026-05-22 19:38:34] [INFO ] State equation strengthened by 5 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (OVERLAPS) 100/122 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 10/132 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 1237/1369 variables, 132/153 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1369 variables, 5/158 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1369 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 0/1369 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1369/1369 variables, and 158 constraints, problems are : Problem set: 0 solved, 22 unsolved in 1496 ms.
Refiners :[Generalized P Invariants (flows): 21/21 constraints, State Equation: 132/132 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (OVERLAPS) 100/122 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 10/132 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 1237/1369 variables, 132/153 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1369 variables, 5/158 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1369 variables, 22/180 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1369 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (OVERLAPS) 0/1369 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1369/1369 variables, and 180 constraints, problems are : Problem set: 0 solved, 22 unsolved in 10052 ms.
Refiners :[Generalized P Invariants (flows): 21/21 constraints, State Equation: 132/132 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11684ms problems are : Problem set: 0 solved, 22 unsolved
Fused 22 Parikh solutions to 6 different solutions.
Finished Parikh walk after 2106 steps, including 72 resets, run visited all 2 properties in 36 ms. (steps per millisecond=58 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 22 properties in 258 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 992 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST BESTFIRST_WALK TOPOLOGICAL
Total runtime 153284 ms.

BK_STOP 1779478726625

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudDeployment-PT-5b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is CloudDeployment-PT-5b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r056-smll-177946903000308"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-5b.tgz
mv CloudDeployment-PT-5b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "StableMarking.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;